Marshawn Lynch, left, makes a run to score the first touchdown of the game against the 49ers during the first quarter of the home opener of the season at CenturyLink Field in Seattle.

Marshawn Lynch, left, makes a run to score the first touchdown of the game against the 49ers during the first quarter of the home opener of the season at CenturyLink Field in Seattle.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Seattle Seahawks fans work to break a record for the loudest stadium crowd during a game against the San Francisco 49ers. The crowd was successful, breaking the old record with 136.6 decibels. Photographed on Sunday, September 15, 2013 at CenturyLink Field in Seattle. less

Seattle Seahawks fans work to break a record for the loudest stadium crowd during a game against the San Francisco 49ers. The crowd was successful, breaking the old record with 136.6 decibels. Photographed on ... more

Photo: JOSHUA TRUJILLO / SEATTLEPI.COM

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Sidney Rice, right, jokes with teammates during the second half of the home opener.

Sidney Rice, right, jokes with teammates during the second half of the home opener.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Seattle Seahawks player Golden Tate takes the field against the San Francisco 49ers.

Seattle Seahawks player Golden Tate takes the field against the San Francisco 49ers.

Photo: JOSHUA TRUJILLO / SEATTLEPI.COM

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Seattle Seahawks fans try to burn a San Francisco 49ers flag as a 49ers fan steps in and douses the small fire with water outside the stadium.

Seattle Seahawks fans try to burn a San Francisco 49ers flag as a 49ers fan steps in and douses the small fire with water outside the stadium.

Photo: JOSHUA TRUJILLO / SEATTLEPI.COM

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Sportscasters and media huddle beneath the tunnel in a sudden heavy rain during the first quarter.

Sportscasters and media huddle beneath the tunnel in a sudden heavy rain during the first quarter.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Seattle Seahawks fans watch the game as dark clouds roll over the stadium. Thunderstorms forced a weather delay of the much-anticipated game.

Seattle Seahawks fans watch the game as dark clouds roll over the stadium. Thunderstorms forced a weather delay of the much-anticipated game.

Photo: JOSHUA TRUJILLO / SEATTLEPI.COM

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Cliff Avril, left, sacks 49ers' quarterback Colin Kaepernick, center, during the first half of the home opener.

Cliff Avril, left, sacks 49ers' quarterback Colin Kaepernick, center, during the first half of the home opener.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Sound engineer Bill Stewart, in blue, tries to hype up the crowd in an effort to break the Guinness World Record for loudest stadium. The crowd was successful, smashing the old record with 136.6 decibels.

Sound engineer Bill Stewart, in blue, tries to hype up the crowd in an effort to break the Guinness World Record for loudest stadium. The crowd was successful, smashing the old record with 136.6 decibels.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Seattle Seahawks fans scream as the San Francisco 49ers are called for offsides.

Seattle Seahawks fans scream as the San Francisco 49ers are called for offsides.

Photo: JOSHUA TRUJILLO / SEATTLEPI.COM

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Running back Marshawn Lynch dances to warm up music in the stadium.

Running back Marshawn Lynch dances to warm up music in the stadium.

Photo: JORDAN STEAD / SEATTLEPI.COM

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San Francisco 49ers coach Jim Harbaugh watches as the clock winds down and the 49ers fall to the Seattle Seahawks, 29-3.

San Francisco 49ers coach Jim Harbaugh watches as the clock winds down and the 49ers fall to the Seattle Seahawks, 29-3.

Kam Chancellor, right, is congratulated by teammates following a play in favor of the Seahawks during the second half.

Kam Chancellor, right, is congratulated by teammates following a play in favor of the Seahawks during the second half.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Head coach Pete Carroll, center, claps while walking off of the field.

Head coach Pete Carroll, center, claps while walking off of the field.

Photo: JORDAN STEAD / SEATTLEPI.COM

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Photos: Seahawks take down 49ers in wild, raucous contest

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